88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
#include "opencv2/opencv.hpp"
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int traitement(cv::VideoCapture cap, int seuil, cv::Vec3b couleur) {
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cv::Mat trame, gris, flou, contx, conty, cont, contbin;
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std::vector<std::vector<cv::Point> > contours;
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std::vector<cv::Vec4i> hierarchy;
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int X,Y,x,y,k,nbcont,numc,index;
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cap>>trame;
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X=trame.rows;
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Y=trame.cols;
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cv::namedWindow("Image", 1);
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cv::imshow("Image", trame);
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cv::cvtColor(trame, gris, CV_BGR2GRAY);
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cv::GaussianBlur(gris, flou, cv::Size(5, 5), 0, 0);
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cv::Sobel(flou, contx, CV_64F, 1, 0);
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cv::Sobel(flou, conty, CV_64F, 0, 1);
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cont = abs(contx) + abs(conty);
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contbin = (cont<seuil);
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cv::namedWindow("Gradient", 1);
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cv::imshow("Gradient", cont/255);
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findContours(contbin, contours, hierarchy, CV_RETR_CCOMP, CV_CHAIN_APPROX_NONE);
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cv::Mat marqueurs = cv::Mat::zeros(X, Y, CV_32S);
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nbcont = (int)contours.size();
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index = 1;
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for(numc = 0; numc < nbcont; numc++ ) {
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if (hierarchy[numc][3]<0) {
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cv::drawContours( marqueurs, contours, numc, index++);
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}
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}
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cv::watershed(trame, marqueurs);
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std::vector<std::array<double,3>> couleurs;
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std::vector<double> indexcoul;
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couleurs.reserve(nbcont);
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indexcoul.reserve(nbcont);
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for(index = 0; index < nbcont; index++) {
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for(k=0;k<3;k++) {
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couleurs[index][k]=0.0;
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}
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indexcoul[index]=0.0;
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}
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for(x=0;x<X;x++) {
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for(y=0;y<Y;y++) {
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index=marqueurs.at<int>(x,y)-1;
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if (index>=0) {
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indexcoul[index]++;
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for (k=0;k<3;k++) {
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couleurs[index][k] = couleurs[index][k]+trame.at<cv::Vec3b>(x,y)[k];
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}
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}
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}
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}
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for(index=0;index<nbcont;index++) {
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for (k=0;k<3;k++) {
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couleurs[index][k]/=indexcoul[index];
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}
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}
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for(x=0;x<X;x++) {
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for(y = 0; y < Y; y++) {
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index=marqueurs.at<int>(x,y)-1;
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if (index>=0) {
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for (k = 0; k < 3; k++) {
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trame.at<cv::Vec3b>(x,y)[k] = couleurs[index][k];
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}
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}
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else {
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trame.at<cv::Vec3b>(x,y) = couleur;
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}
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}
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}
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cv::namedWindow("LPE", 1);
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cv::imshow("LPE", trame);
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if(cv::waitKey(30) == 27) {
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return true;
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}
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return false;
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}
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int main(int, char**) {
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cv::VideoCapture cap(0);
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int seuil=10;
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cv::Vec3b couleur(128,128,128);
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while(traitement(cap,seuil,couleur) == false);
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}
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